ZAPCO ST-4B 4-CHANNEL 360W RMS CLASS AB COMPONENT SPEAKERS TWEETERS AMPLIFIER
ST-4B - Zapco 4-Channel 360W RMS Class AB Amplifier. 4-Channel, Class-AB Full Range Amplifier. Channel separation > 45dB. RCA and OEM speaker level input. Input Sensitivity. 25v to 5v. Variable FULL / LP / HP Electronic Crossover.